🇺🇸 Flagstaff vs San Francisco 🇺🇸
Flagstaff, United States vs San Francisco, United States — a side-by-side climate comparison to help you pick. San Francisco is the warmer of the two — about 2 degrees warmer on average across the year. San Francisco is drier, with roughly 17 fewer rainy days a year.
Climate at a glance
| 🇺🇸 Flagstaff | 🇺🇸 San Francisco | |
|---|---|---|
| Avg annual high | 17°C | 19°C |
| Hottest month | July (28°C) | September (24°C) |
| Coldest month | January (-4°C low) | January (8°C low) |
| Rainy days / year | 81 | 64 |
| Snow | Rare | Rare |
| Best months to visit | May, September, October | June, July, August |
🇺🇸 Flagstaff
Best around May, September, October. Hottest in July (28°C), coldest lows in January (-4°C).
🇺🇸 San Francisco
Best around June, July, August. Hottest in September (24°C), coldest lows in January (8°C).
Frequently asked questions
Is Flagstaff or San Francisco warmer?
San Francisco is warmer overall, averaging about 2 degrees higher across the year.
Which is rainier, Flagstaff or San Francisco?
Flagstaff is rainier — San Francisco sees about 17 fewer rainy days per year.
When is the best time to visit Flagstaff vs San Francisco?
Flagstaff is best around May, September, October; San Francisco is best around June, July, August.